23525998080 has 640 divisors, whose sum is σ = 87312411648. Its totient is φ = 5352456192.

The previous prime is 23525998057. The next prime is 23525998123. The reversal of 23525998080 is 8089952532.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 140874157 + ... + 140874323.

Almost surely, 2^23525998080 is an apocalyptic number.

23525998080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23525998080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43656205824).

23525998080 is an abundant number, since it is smaller than the sum of its proper divisors (63786413568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23525998080 is a wasteful number, since it uses less digits than its factorization.

23525998080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 23525998080 in words is "twenty-three billion, five hundred twenty-five million, nine hundred ninety-eight thousand, eighty".